Item Details: Head Diameter: 1.2 in (30 mm) Shaft Diameter: 0.78 in (19 mm) Bead Diameter: 1.1, 1.15, 1.15 in (27, 28.5, 28.5 mm) Length: 7.5 in (190 mm) For more information on our pieces, check out our informational blogs on caring for your piece here!